PROCDESC(4) Kernel Interfaces Manual PROCDESC(4) NAME procdesc -- process descriptor facility DESCRIPTION procdesc is a file-descriptor-oriented interface to process signalling and control, which supplements historic Unix fork(2) and kill(2), primitives with new system calls such as pdfork(2) and pdkill(2), procdesc is designed for use with capsicum(4), replacing process identifiers with capability- oriented references. However, it can also be used independently of cap- sicum(4), displacing PIDs, which may otherwise suffer from race conditions. Given a process descriptor, it is possible to query its conventional PID using pdgetpid(2). SEE ALSO fork(2), kill(2), kqueue(2), pdfork(2), pdgetpid(2), pdkill(2), wait4(2), capsicum(4) HISTORY procdesc first appeared in FreeBSD 9.0, and was developed at the University of Cambridge. AUTHORS procdesc was developed by Robert Watson <rwatson@FreeBSD.org> and Jonathan Anderson <jonathan@FreeBSD.org> at the University of Cambridge, and Ben Laurie <benl@FreeBSD.org> and Kris Kennaway <kris@FreeBSD.org> at Google, Inc. FreeBSD 15.1 May 15, 2020 PROCDESC(4)
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